communication

Hedy Lamarr – a Hollywood Star Invents Secure Communication Technology

Hedy Lamarr – a Hollywood Star Invents Secure Communication Technology

Hedy Lamarr (1913-2000) On November 9, 1913, Hollywood movie star Hedy Lamarr was born, co-inventor of an early form of the spread spectrum communications and frequency hopping, necessary for wireless communication from the pre-computer age to the present day. Ok, I assume that you are not necessarelly familiar with spread spectrum communications technology. But, maybe you are wondering even more about a Hollywood movie star diva, who should be responsible for the development…
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Germany’s First Radio Program Goes Public

Germany’s First Radio Program Goes Public

Distribution of the Radio to the German Public during World War II © Deutsches Bundesarchiv On October 29, 1923 the very first radio program in Germany was broadcasted from the Vox-Haus in Berlin, Tiergarten. The history of the radio is long and for many years it was not clear, who the official inventor of the radio really was. To mention is of course Thomas Edison in the first place, who invented the…
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Johann Philipp Reis Demonstrates the first Telephone

Johann Philipp Reis Demonstrates the first Telephone

Johan Philipp Reis’ Telephone  On October 26, 1861, German teacher and inventor Johann Philipp Reis, presented his telephone system at the ‘Physikalischen Verein zu Frankfurt am Main‘. Although it did not convince his contemporaries, his invention marks a milestone in telecommunications. Philipp Reis was born on January 7, 1834 in Gelnhausen, Germany in a Jewish family as son of a baker. Reis’s mother died while he was an infant, and he was…
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More than a Bushy-Browed, Cigar Smoking Wisecracker –  Groucho Marx

More than a Bushy-Browed, Cigar Smoking Wisecracker – Groucho Marx

Groucho Marx (1890-1977) On October 2, 1890, Julius Henry Marx, better known as Groucho Marx from the famous comedians, the ‘Marx Brothers’ was born in New York City. The bushy-browed, cigar-smoking wisecracker with the painted on mustache (later on with a real mustache) and stooped walk was the leader of ‘The Marx Brothers’. With one-liners that were many times full of sexual innuendo, Groucho never used profanity in any of his performances…
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Transatlantic Telecommunication Via Voice

Transatlantic Telecommunication Via Voice

World’s first purpose-built Cable Layer Ship Silvertown, 1901 On September 25, 1956 the world’s first submarine transatlantic cable for telephony TAT-1 (Transatlantic No. 1) was inaugurated. It was laid between Gallanach Bay, near Oban, Scotland and Clarenville, Newfoundland between 1955 and 1956 by the cable ship Monarch. You might wonder that is was only possible to route a call between Europe and the United States before the mid 1950s, well at least…
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What a Brick! – The World’s First Cell Phone

What a Brick! – The World’s First Cell Phone

The Motorola DynaTAC 8000, the worlds first commercially availabvle cell phone in 1983©redrum0486 Mobile phones and smart phones have conquered the world. Billions of them have been sold already and they have changed the world as well as societies. But, do you remember the time, when you had to look for a phone booth to make an urgent call. About three decades ago, times slowly began to change, when on September 21,…
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Émile Baudot and his Telegraph

Émile Baudot and his Telegraph

Èmile Baudot(1845-1903) On September 11, 1845, French telegraph engineer and inventor of the first means of digital communication code, Èmile Baudot was born. As the son of farmer Pierre Emile Baudot, Jean-Maurice-Èmile Baudot attended primary school and was to work at his father’s farm right after. At the Age of 24, he joined the French Post & Telegraph Administration, where he completed his apprenticeship. He learned to work with the Morse telegraph…
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The Mechanical Telegraph – a French Invention

The Mechanical Telegraph – a French Invention

Claude Chappe’s Optical Telegraph (Museée des Arts et Metiers) On May 23, 1813, the first (modern) optical telegraph line following the mechanical telegraphy system of the French inventor Claude Chappe between Metz and Mainz was established. No, this wasn’t the first of its kind, but it was the first to connect the former already in France established telegraphy system with a (now) German city. Long before the days of Morse Code or…
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The World Wide Web is Coming of Age

The World Wide Web is Coming of Age

A panel discussion at the first WWW conference. Kevin Altis,Dave Raggett, Rick Rodgers, ©W3C. 18 years ago today, the very first World Wide Web Conference started with a Welcome Receiption at the restaurant of CERN at Geneva, the European laboratory for particle physics, where the Web also started a few years earlier. The Web (or W3 as they also called it those days) was still some kind of project, but everyone of…
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